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Commit | Line | Data |
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b33e9666 LT |
1 | #!/bin/sh |
2 | # | |
ae2b0f15 JH |
3 | # This is included in commands that either have to be run from the toplevel |
4 | # of the repository, or with GIT_DIR environment variable properly. | |
5 | # If the GIT_DIR does not look like the right correct git-repository, | |
6 | # it dies. | |
b33e9666 | 7 | |
365527ad | 8 | # Having this variable in your environment would break scripts because |
e598c517 | 9 | # you would cause "cd" to be taken to unexpected places. If you |
365527ad JH |
10 | # like CDPATH, define it for your interactive shell sessions without |
11 | # exporting it. | |
12 | unset CDPATH | |
13 | ||
b33e9666 | 14 | die() { |
8098a178 | 15 | echo >&2 "$@" |
b33e9666 LT |
16 | exit 1 |
17 | } | |
18 | ||
bac199b7 PH |
19 | if test -n "$OPTIONS_SPEC"; then |
20 | usage() { | |
21 | exec "$0" -h | |
22 | } | |
23 | ||
24 | parseopt_extra= | |
25 | [ -n "$OPTIONS_KEEPDASHDASH" ] && | |
26 | parseopt_extra="$parseopt_extra --keep-dashdash" | |
27 | ||
28 | eval `echo "$OPTIONS_SPEC" | git rev-parse --parseopt $parseopt_extra -- "$@" || echo exit $?` | |
29 | else | |
30 | usage() { | |
31 | die "Usage: $0 $USAGE" | |
32 | } | |
33 | ||
34 | if [ -z "$LONG_USAGE" ] | |
35 | then | |
36 | LONG_USAGE="Usage: $0 $USAGE" | |
37 | else | |
38 | LONG_USAGE="Usage: $0 $USAGE | |
39 | ||
40 | $LONG_USAGE" | |
41 | fi | |
42 | ||
43 | case "$1" in | |
44 | -h|--h|--he|--hel|--help) | |
45 | echo "$LONG_USAGE" | |
46 | exit | |
47 | esac | |
48 | fi | |
d025524d | 49 | |
f9474132 SP |
50 | set_reflog_action() { |
51 | if [ -z "${GIT_REFLOG_ACTION:+set}" ] | |
52 | then | |
53 | GIT_REFLOG_ACTION="$*" | |
54 | export GIT_REFLOG_ACTION | |
55 | fi | |
56 | } | |
57 | ||
ef0c2abf | 58 | git_editor() { |
08874658 DK |
59 | : "${GIT_EDITOR:=$(git config core.editor)}" |
60 | : "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}" | |
ef0c2abf AR |
61 | case "$GIT_EDITOR,$TERM" in |
62 | ,dumb) | |
63 | echo >&2 "No editor specified in GIT_EDITOR, core.editor, VISUAL," | |
64 | echo >&2 "or EDITOR. Tried to fall back to vi but terminal is dumb." | |
65 | echo >&2 "Please set one of these variables to an appropriate" | |
66 | echo >&2 "editor or run $0 with options that will not cause an" | |
67 | echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)." | |
68 | exit 1 | |
69 | ;; | |
70 | esac | |
08874658 | 71 | eval "${GIT_EDITOR:=vi}" '"$@"' |
ef0c2abf AR |
72 | } |
73 | ||
4b441f47 | 74 | is_bare_repository () { |
5be60078 | 75 | git rev-parse --is-bare-repository |
4b441f47 JH |
76 | } |
77 | ||
9fde9401 | 78 | cd_to_toplevel () { |
5be60078 | 79 | cdup=$(git rev-parse --show-cdup) |
9fde9401 JH |
80 | if test ! -z "$cdup" |
81 | then | |
82 | cd "$cdup" || { | |
83 | echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree" | |
84 | exit 1 | |
85 | } | |
86 | fi | |
87 | } | |
88 | ||
7eff28a9 | 89 | require_work_tree () { |
e90fdc39 | 90 | test $(git rev-parse --is-inside-work-tree) = true || |
7eff28a9 SP |
91 | die "fatal: $0 cannot be used without a working tree." |
92 | } | |
93 | ||
0cae2346 JS |
94 | get_author_ident_from_commit () { |
95 | pick_author_script=' | |
96 | /^author /{ | |
97 | s/'\''/'\''\\'\'\''/g | |
98 | h | |
99 | s/^author \([^<]*\) <[^>]*> .*$/\1/ | |
100 | s/'\''/'\''\'\'\''/g | |
101 | s/.*/GIT_AUTHOR_NAME='\''&'\''/p | |
102 | ||
103 | g | |
104 | s/^author [^<]* <\([^>]*\)> .*$/\1/ | |
105 | s/'\''/'\''\'\'\''/g | |
106 | s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p | |
107 | ||
108 | g | |
109 | s/^author [^<]* <[^>]*> \(.*\)$/\1/ | |
110 | s/'\''/'\''\'\'\''/g | |
111 | s/.*/GIT_AUTHOR_DATE='\''&'\''/p | |
112 | ||
113 | q | |
114 | } | |
115 | ' | |
116 | encoding=$(git config i18n.commitencoding || echo UTF-8) | |
117 | git show -s --pretty=raw --encoding="$encoding" "$1" | | |
118 | LANG=C LC_ALL=C sed -ne "$pick_author_script" | |
119 | } | |
120 | ||
c8769f76 | 121 | # Make sure we are in a valid repository of a vintage we understand. |
d025524d FK |
122 | if [ -z "$SUBDIRECTORY_OK" ] |
123 | then | |
124 | : ${GIT_DIR=.git} | |
6b9ff1e3 | 125 | test -z "$(git rev-parse --show-cdup)" || { |
120b0dfb JH |
126 | exit=$? |
127 | echo >&2 "You need to run this command from the toplevel of the working tree." | |
128 | exit $exit | |
129 | } | |
d025524d | 130 | else |
b2bc9a30 DK |
131 | GIT_DIR=$(git rev-parse --git-dir) || { |
132 | exit=$? | |
133 | echo >&2 "Failed to find a valid git directory." | |
134 | exit $exit | |
135 | } | |
d025524d | 136 | fi |
b2bc9a30 DK |
137 | |
138 | test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || { | |
139 | echo >&2 "Unable to determine absolute path of git directory" | |
140 | exit 1 | |
141 | } | |
142 | ||
c8769f76 | 143 | : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} |